.main{
    margin: 10px 10px 20px;
    border: 1px solid #cccccc;
    border-radius: 4px 4px 0 0;
    box-sizing: border-box;
}
.main button{
    width: 92%;
    margin: 10px 4%;
}
.main img{
    margin-top: 10px;
    width: 100%;
}